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-rw-r--r--kernel/posix-cpu-timers.c5
1 files changed, 4 insertions, 1 deletions
diff --git a/kernel/posix-cpu-timers.c b/kernel/posix-cpu-timers.c
index d5dbef5e89e6..f66bdd33a6c6 100644
--- a/kernel/posix-cpu-timers.c
+++ b/kernel/posix-cpu-timers.c
@@ -1287,7 +1287,10 @@ static inline int fastpath_timer_check(struct task_struct *tsk)
if (sig->cputimer.running) {
struct task_cputime group_sample;
- thread_group_cputimer(tsk, &group_sample);
+ spin_lock(&sig->cputimer.lock);
+ group_sample = sig->cputimer.cputime;
+ spin_unlock(&sig->cputimer.lock);
+
if (task_cputime_expired(&group_sample, &sig->cputime_expires))
return 1;
}